Travel

The stacks of rocks at national park trails are cairns and NPS wants you to leave them be

Kate Perez, USA TODAYComments Off on The stacks of rocks at national park trails are cairns and NPS wants you to leave them be

If you're hiking along a trail in a national park and you see a rock pile, don't touch it: Cairns are often directional tools set up for hikers.

     
Kate Perez, USA TODAY
https://api-internal.usatoday.com.akadns.net

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